Pneumatic cotton-gin doeeing ottteit



lune4, 1929. YEARGAN 1,716,099

PNEUMATIC COTTON GIN DOFFING OUTFIT Filed Sept. 13. 1928 2 Sheets-Sheet 1 E55E!!!!!!!l W F W June 4, 1929. Y F, YEARGAN 1,716,099

PNEUMATIC COTTON GIN DOFFING OUTFIT Filed Sept. 15, 1928 2 Shets-Sheet 2 INVENTOR- %//ayfj azyarz BY v aoxcwrm A TTORNEY Patented June 4, 1929.

I 1,716,0fi9

PATENT OFFICE.

HILLARY F. YEARGAN, OF HOME, GEORGIA.

PNEUMATIC COTTON-GIN DOFFING OUTFIT.

Application filed September 13, 1928.

This invention relates to a ginning outfit and particularly to the mechanism for dotting the lint from the gin. saws and the production of a uniform air current to perform the dofling function.

The main object of the invention is to economize in power ordinarily used in gining outfits for raising the cotton from the vagons to the gin and cleaning the cotton from the saws.

The second object of the invention is to out down the number of fans used in ginning outfits to elevate the cotton to the gin and clean the cotton from the saws.

Vv ith these and other objects in view which will be apparent as the description proceeds, I will now describe my invention in connection with the accompanying drawings in which:

Fig. 1 is a view showing diagrammatically my improved ginning outfit;

Fig. 2 is a detail in perspective view of the fan mechanism and valve box with part of the valve box broken away; and

Fig. 3 is a cross sectional view of the valve box and valve.

1, 1, 1, etc., are diagrammatic representations of a battery of gins comprising any convenient number of gins. 2 designates the floor on which the gins rest, and 3, 3, the ordinary telescoping sections of cotton ele vator tubes which are lowered into the wagon in the ordinary way and brought in contact with the cotton brought to the gin to be ginned. The cotton is elevated in the ordinary way through the tube A to the separator diagrammatically illustrated at 5. The cotton is separated from the air current at 5 and is deposited on the distributor diagrununatically shown at 6 conveniently sup? ported at one end by a standard 7 and operated from any convenient sour e of power supplied at 6, the cot-ton being carried from the separator to the respective gins in the ordinary way.

8 is a fan for producing the air current passing through the telescoping sections 3, 3, and the tube 4 and the fan may be run in any convenient way as by an electric motor 9.

Instead of passing the air to the atmosphere after elevating the cotton, I pro ide a 11 connected with the fan eutlet and carry the air through the 11 and d2 Serial N0. 305,792.

liver it at 12, 12,12 to the respective gins and utilize the air to clean the cotton from the gin saws in the ordinary way, as for example, that shown in the patent to Moore No. 1,139,969 allowed April 27, 1915. The lint is carried by this current through the rear of the gin and the compartments 15, 15, 15 to a larger collecting tube 16 and thence to the ordinary condenser.

At the suction side of the fan is provided a tube 17 which may be connected to the fan by the ordinary elbow l8 and in the pipe 17 I insert a valve box 19 having therein a valve 20 shown best in Figures 2 and 3. The valve 20 is delicately balanced in the valve box by means of the lever 21 connected to the valve in any convenient mannor as by a chain 22. I may provide an adjustable weight 23 to adjust the pull on the yalve 20 and regulate the flow of air to the As the cotton is being elevated through the tube 4 and passes into the separator, it

is liable to be varied in amount and more or less dam the current of air from the separator and pipe 17 and by means of the valve 20 I can regulate the flow of air through the elevator tubes, the separator and the tube 17 to supply a relatively constant amount of air to the suction side of the fan. This will afford a uniformcurrent of air through the fan and tube 11 to take the lint from the gin saws and carry it by a uniform air current to the tube 16 and thence to the lint condenser, not shown.

As far as I am aware, it has heretofore been customary to supply the current of air to separate the lint from the gin saws by a separate fan but by the use of my valve box and valve to regulate the supply of air to the suction side of the fan, I am enabled to keep a uniform supply of air through the pipe 11 to remove the lint from the saws and carry it to the condenser. I am enabled, therefore, to dispense with one of the fans and to do the work as well with one fan as it has heretofore been done with two thus saving the expense of an extra fan and motor, and by actual experience I have found my outfit to separate the cotton from the saws as efficiently as if two fans and two motors were used. Indeed by properly adjusting the weight 23 of the valve mechanism. sen secure better to remove the cotton from the gin saws than has been accomplished by the mechanism now in general use.

Having now described my invention, What I claim as new is:

1. In a gin outfit, atube'for elevating seed cotton, a separator connected thereto, a tan with means for operating the fan, a gin, a tube connecting the fan to the gin, a tube connecting the fan to the separator having therein a valve box, and a balanced valve for regulating the air to the fan thereby causing an even flow of air from the fan to the gin saws.

2. A ginning outfit comprising a battery of gins, a seed cotton elevating tube, a separator connected thereto, a distributor for distributing the seed cotton to the respective gins of the battery, a fan, a tube extending from the separator to the fan and having therein a balanced valve, a tube extending from the fan to the battery of gins for supplying air to remove the lint from the gin saws, and a tube to receive the lint from.

the gins.

In testimony whereof I hereunto my signature.

HILLARY F. YEARGAN. 

